351 swap

[whitepony]

what does it take to make a 351 a roller motor??
i am gunna build a 351 later this year for next summer and this is waht i am going to be useing

stock 351
my f-cam
gt40p heads
and i am woundering if i should go carb or efi??
what will i make more power in??
and out back a set of 3.73's

my current setup is.
with stock ported intake
stock heads with 3 angle valve job and shaved .
65mm thb
headers
and 3.73's

if i build the 351 the way i said above will it be better then my set up now???

thanks
everyone